121200100101010 has 32 divisors (see below), whose sum is σ = 250213201103232. Its totient is φ = 41406439885440.

The previous prime is 121200100100887. The next prime is 121200100101011. The reversal of 121200100101010 is 10101001002121.

121200100101010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (121200100101011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080816632 + ... + 3080855971.

It is an arithmetic number, because the mean of its divisors is an integer number (7819162534476).

Almost surely, 2^{121200100101010} is an apocalyptic number.

121200100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200100101010 is an abundant number, since it is smaller than the sum of its proper divisors (129013101002222).

121200100101010 is a wasteful number, since it uses less digits than its factorization.

121200100101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161672898.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121200100101010 its reverse (10101001002121), we get a palindrome (131301101103131).

The spelling of 121200100101010 in words is "one hundred twenty-one trillion, two hundred billion, one hundred million, one hundred one thousand, ten".